Mercurial > jdk8-mips64-public > hotspot / annotate
test/compiler/6769124/TestDeoptInt6769124.java@8c95980d0b66 (annotated)
test/compiler/6769124/TestDeoptInt6769124.java
Sat, 07 Nov 2020 10:30:02 +0800
- author
- aoqi
- date
- Sat, 07 Nov 2020 10:30:02 +0800
- changeset 10026
- 8c95980d0b66
- parent 6876
- 710a3c8b516e
- permissions
- -rw-r--r--
Added tag mips-jdk8u275-b01 for changeset d3b4d62f391f
| aoqi@0 | 1 | /* |
| aoqi@0 | 2 | * Copyright (c) 2009, Oracle and/or its affiliates. All rights reserved. |
| aoqi@0 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| aoqi@0 | 4 | * |
| aoqi@0 | 5 | * This code is free software; you can redistribute it and/or modify it |
| aoqi@0 | 6 | * under the terms of the GNU General Public License version 2 only, as |
| aoqi@0 | 7 | * published by the Free Software Foundation. |
| aoqi@0 | 8 | * |
| aoqi@0 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
| aoqi@0 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| aoqi@0 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| aoqi@0 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
| aoqi@0 | 13 | * accompanied this code). |
| aoqi@0 | 14 | * |
| aoqi@0 | 15 | * You should have received a copy of the GNU General Public License version |
| aoqi@0 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
| aoqi@0 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| aoqi@0 | 18 | * |
| aoqi@0 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| aoqi@0 | 20 | * or visit www.oracle.com if you need additional information or have any |
| aoqi@0 | 21 | * questions. |
| aoqi@0 | 22 | * |
| aoqi@0 | 23 | */ |
| aoqi@0 | 24 | |
| aoqi@0 | 25 | /** |
| aoqi@0 | 26 | * @test |
| aoqi@0 | 27 | * @bug 6769124 |
| aoqi@0 | 28 | * @summary int value might not be correctly decoded on deopt with c1 on 64 bit |
| aoqi@0 | 29 | * |
| aoqi@0 | 30 | * @run main/othervm -Xcomp -XX:CompileOnly=TestDeoptInt6769124.m TestDeoptInt6769124 |
| aoqi@0 | 31 | */ |
| aoqi@0 | 32 | |
| aoqi@0 | 33 | public class TestDeoptInt6769124 { |
| aoqi@0 | 34 | |
| aoqi@0 | 35 | static class A { |
| aoqi@0 | 36 | volatile int vl; |
| aoqi@0 | 37 | A(int v) { |
| aoqi@0 | 38 | vl = v; |
| aoqi@0 | 39 | } |
| aoqi@0 | 40 | } |
| aoqi@0 | 41 | |
| aoqi@0 | 42 | static void m(int b) { |
| aoqi@0 | 43 | A a = new A(10); |
| aoqi@0 | 44 | int c; |
| aoqi@0 | 45 | c = b + a.vl; //accessing volatile field of class not loaded at compile time forces a deopt |
| aoqi@0 | 46 | if(c != 20) { |
| aoqi@0 | 47 | System.out.println("a (= " + a.vl + ") + b (= " + b + ") = c (= " + c + ") != 20"); |
| aoqi@0 | 48 | throw new InternalError(); |
| aoqi@0 | 49 | } |
| aoqi@0 | 50 | } |
| aoqi@0 | 51 | |
| aoqi@0 | 52 | public static void main(String[] args) { |
| aoqi@0 | 53 | m(10); |
| aoqi@0 | 54 | } |
| aoqi@0 | 55 | |
| aoqi@0 | 56 | } |
